# food_list=["a","b","c"]
# # food_list.append("d")
# food_list.insert(0,"sss")
# print(food_list)
# food2_list=["d","e","f"]
# food2_list[2]="aaa"
# food_list.extend(food2_list)
# print(food_list)

food_list=["a","b","c","d","e","f","g"]
# food=input("请输入你要的值：")
# if food in food_list:
#     print("在");
# else:
#     print("不在");
# del food_list[1]
# food_list.remove("c")
# food_list.pop()
print(food_list)
